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745023700 = 225210217297
BaseRepresentation
bin101100011010000…
…010100011010100
31220220220010101101
4230122002203110
53011211224300
6201532235444
724314411521
oct5432024324
91826803341
10745023700
11352601373
1218960bb84
13bb474735
1470d38148
1545617b6a
hex2c6828d4

745023700 has 36 divisors (see below), whose sum is σ = 1618506652. Its totient is φ = 297676800.

The previous prime is 745023677. The next prime is 745023701. The reversal of 745023700 is 7320547.

It can be written as a sum of positive squares in 6 ways, for example, as 24423364 + 720600336 = 4942^2 + 26844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (745023701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 98452 + ... + 105748.

Almost surely, 2745023700 is an apocalyptic number.

It is an amenable number.

745023700 is an abundant number, since it is smaller than the sum of its proper divisors (873482952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

745023700 is a wasteful number, since it uses less digits than its factorization.

745023700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8332 (or 8325 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 745023700 is about 27295.1222748681. The cubic root of 745023700 is about 906.5463829643.

The spelling of 745023700 in words is "seven hundred forty-five million, twenty-three thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 1021 2042 4084 5105 7297 10210 14594 20420 25525 29188 36485 51050 72970 102100 145940 182425 364850 729700 7450237 14900474 29800948 37251185 74502370 149004740 186255925 372511850 745023700